diff --git a/ai_ta_backend/database/aws.py b/ai_ta_backend/database/aws.py
index 68e61b68..9d2d46ed 100644
--- a/ai_ta_backend/database/aws.py
+++ b/ai_ta_backend/database/aws.py
@@ -11,6 +11,7 @@ def __init__(self):
     # S3
     self.s3_client = boto3.client(
         's3',
+        endpoint_url=os.environ.get('MINIO_API_URL'),  # for Self hosted MinIO bucket
         aws_access_key_id=os.environ['AWS_ACCESS_KEY_ID'],
         aws_secret_access_key=os.environ['AWS_SECRET_ACCESS_KEY'],
     )